CN203929936U - A kind of capacity test device of inductive reactive power compensation equipment - Google Patents
A kind of capacity test device of inductive reactive power compensation equipment Download PDFInfo
- Publication number
- CN203929936U CN203929936U CN201420322726.2U CN201420322726U CN203929936U CN 203929936 U CN203929936 U CN 203929936U CN 201420322726 U CN201420322726 U CN 201420322726U CN 203929936 U CN203929936 U CN 203929936U
- Authority
- CN
- China
- Prior art keywords
- capacitor
- reactive power
- parallel
- inductive reactive
- voltage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Control Of Electrical Variables (AREA)
Abstract
The utility model discloses a kind of capacity test device of inductive reactive power compensation equipment, comprise pressure regulator, contain the first reometer A
1with the first voltage table V
1pressure regulator output current voltage measurement unit, step-up transformer, compensation condenser group, containing the second reometer A
2test current measuring unit, containing the first capacitor C
01with the second capacitor C
02and second voltage Table V
2trial voltage measuring unit; Pressure regulator input end connects AC power, the output terminal first reometer A that connects
1rear the first voltage table V in parallel
1; Step-up transformer input end the first voltage table V in parallel
1, output terminal parallel capacitor group; The second reometer A
2with parallel capacitor group again after inductive reactive power compensation devices in series; The first capacitor C
01with the second capacitor C
02after series connection, be connected in parallel on again inductive reactive power compensation equipment two ends; Second voltage Table V
2the second capacitor C in parallel
02.The utility model experiment power supply capacity is little, good economy performance, practicality, be widely used.
Description
Technical field
The utility model belongs to electric system High-Voltage Testing Technology field, particularly a kind of capacity test device of inductive reactive power compensation equipment.
Background technology
For the occasion that needs reactive-load compensation in electric system, generally adopt fixed condenser group or bank of filters compensation capacitive reactive power, idle by constant reactance device compensation perception.This kind equipment can only provide discrete reactive compensation power, cannot meet the requirement of some occasion needs fine compensations.Along with the development of Power Electronic Technique and control technology, there is successively the continuous adjustable reactive-load compensation equipment of the FACTS based on Power Electronic Technique such as Thyristor Controlled Reactor (TCR), magnet controlled reactor (MCR) and STATCOM (STATCOM).
According to GB professional etiquette and convention, before putting into operation and when regular maintenance, equipment is carried out to various routine tests and operating characteristic test, can provide important evidence for the quality of product and safe operation, have great importance for the safe and reliable operation of guaranteeing equipment.The principal feature of continuous adjustable reactive-load compensation equipment is that continuously adjustable dynamic passive compensation capacity can be provided, and therefore, carries out reliably, capacity test is one of important test accurately.
At present, modal capacity test is transformer and the zero load of constant reactance device and load test, and transformer short-circuit test is, under short circuit condition, transformer is carried out to load loss test, tests required test unit capacity and is significantly less than tested transformer capacity.As the transformer that is 7% to short-circuit reactance does load loss test, 7% of the desirable tested transformer rated capacity of required power supply capacity.
Compared with transformer, constant reactance device, continuous adjustable reactive-load compensation equipment has the feature of volume-variable, and some tests that it is carried out are more than power transformer, common reactor complexity.Therefore it is very difficult, utilizing existing transformer, reactor testing equipment and test method to carry out capacity test to jumbo inductive reactive power compensation equipment.
Utility model content
In view of the problem of above-mentioned existence, the capacity test device of that the purpose of this utility model is to provide that a kind of experiment power supply capacity is little, capacity is adjustable, good economy performance, practical inductive reactive power compensation equipment, and this device also can be used for the capacity test to large capacity reactive power equipment.
The utility model adopts following technical scheme to address the above problem:
A capacity test device for inductive reactive power compensation equipment, comprises pressure regulator, pressure regulator output current voltage measurement unit, step-up transformer, compensation condenser group, test current measuring unit, trial voltage measuring unit;
Pressure regulator output current voltage measurement unit comprises the first reometer A
1, the first voltage table V
1;
Test current measuring unit comprises the second reometer A
2;
Trial voltage measuring unit comprises the first capacitor C
01, the second capacitor C
02with second voltage Table V
2;
The input end of pressure regulator connects AC power, its output terminal first reometer A that connects
1rear the first voltage table V in parallel
1, the input end of step-up transformer is connected in parallel on the first voltage table V
1two ends;
The output terminal parallel capacitor group of step-up transformer, the second reometer A
2with the two ends that are connected in parallel on compensation condenser group after inductive reactive power compensation devices in series; The first capacitor C
01with the second capacitor C
02after series connection, be connected in parallel on the two ends of inductive reactive power compensation equipment; Second voltage Table V
2be connected in parallel on the second capacitor C
02two ends.
The initial output voltage of described pressure regulator is since zero or minimum voltage.
Described compensation condenser group be can switching compensation condenser group, comprise multiple capacitive branch parallel with one another, each capacitive branch is composed in series by an electric capacity and a fling-cut switch.
Described fling-cut switch adopts mechanical fling-cut switch or thyristor.
The electric capacity obtaining value method of described multiple capacitive branch is: adopt binary scheme, the electric capacity of multiple capacitive branch respectively value be C, 2C, 4C ..., 2
k ?1c, wherein K props up way.
The electric capacity obtaining value method of described multiple capacitive branch is: an each capacitive branch wherein branch road electric capacity value is C, and other each branch road electric capacity values are all 2C.
The beneficial effects of the utility model are:
1, the utility model adopts parallel capacitive compensation mode, the capacity of compensation condenser equates with test specimen inductive reactive power compensation place capacity or approaches, to compensate most reactive currents, thereby can ensure that the source current in process of the test is always minimum value, realize minimum power supply capacity requirement.
2, for continuously adjustable perception (reactor) reactive-load compensation equipment, because its perceptual reactive capability is variable, the utility model can store according to the big or small switching of perceptual reactive current value the building-out capacitor group of the capacitance current identical or approaching with it, coordinate adjustable perception (reactor) reactive-load compensation equipment, realize minimum power supply capacity requirement, economical and practical.
Brief description of the drawings
Fig. 1 is the structured flowchart of the capacity test device of a kind of inductive reactive power compensation equipment of the utility model.
Fig. 2 is the circuit theory diagrams of the capacity test device of a kind of inductive reactive power compensation equipment of the utility model.
In figure: current-voltage measurement unit, 30-step-up transformer, 40-compensation condenser group, 50-test current measuring unit, 60-inductive reactive power compensation equipment, 70-trial voltage measuring unit of 10-pressure regulator, the output of 20-pressure regulator.
Embodiment
Below in conjunction with Fig. 1 and Fig. 2, embodiment of the present utility model is elaborated:
As depicted in figs. 1 and 2, the utility model provides the capacity test device of inductive reactive power compensation equipment in a kind of electric system, comprises current-voltage measurement unit 20, step-up transformer 30, compensation condenser group 40, test current measuring unit 50, the trial voltage measuring unit 70 of pressure regulator 10, pressure regulator output.
Pressure regulator output current voltage measurement unit 20 comprises the first reometer A
1, the first voltage table V
1;
Test current measuring unit 50 comprises the second reometer A
2;
Trial voltage measuring unit 70 comprises the first capacitor C
01, the second capacitor C
02with second voltage Table V
2;
The input end of pressure regulator 10 connects AC power AC380V, its output terminal first reometer A that connects
1rear the first voltage table V in parallel
1, the input end of step-up transformer 30 is connected in parallel on the first voltage table V
1two ends;
Output terminal parallel capacitor group 40, the second reometer A of step-up transformer 30
2after connecting with inductive reactive power compensation equipment 60, be connected in parallel on the two ends of compensation condenser group 40; The first capacitor C
01with the second capacitor C
02after series connection, be connected in parallel on the two ends of inductive reactive power compensation equipment 60; Second voltage Table V
2be connected in parallel on the second capacitor C
02two ends.
Compensation condenser group be can switching compensation condenser group, comprise multiple capacitive branch parallel with one another, each capacitive branch is composed in series by an electric capacity and a fling-cut switch.
Fling-cut switch adopts mechanical fling-cut switch or thyristor.
Test concrete steps:
Before test, pressure regulator 10 output voltages are adjusted to zero-bit or minimum, will be less than a group capacitor the entry loop of power supply rated capacity.After switching on power, regulate pressure regulator 10, make step-up transformer 30 voltages rise to trial voltage, now, the electric current flowing through in hookup is only building-out capacitor electric current.
After switching on power, adjust the compensation capacity of test specimen perception (reactor) reactive-load compensation equipment, offset partition capacitance electric current, make pressure regulator loop current minimum.After pressure regulator loop current reaches minimum, slowly pressure regulator output voltage is raise again, in the process of boosting, constantly observe i.e. the first reometer A of pressure regulator loop current value
1the current value showing.If when pressure regulator loop current will approach permissible value, then adjust the compensation capacity of test specimen inductive reactive power compensation equipment, approach with building-out capacitor capacity, now can be observed pressure regulator loop current and fall after rise gradually to minimum value.When pressure regulator loop current hour, then the output voltage of step-up transformer 30 is raise and repeats pressure regulation process above, until test specimen inductive reactive power compensation equipment both end voltage reaches ratings.
For the electric current of guaranteeing test unit is within the scope of permissible value, make test specimen perception (reactor) reactive-load compensation equipment in the time of rated voltage, reach rated capacity, adopt the compensation of fixed capacity group, by the adjusting repeatedly of pressure regulator and test specimen perception (reactor) reactive-load compensation equipment output capacity, coordinate and realize by the method for sequence of packets opening-closing capacitor bank.Under rated voltage, rated frequency, regulate respectively according to the method described above the rated current of the compensation capacity 5%, 10%, 20%, 30%, 40%, 50%, 60%, 70%, 80%, 90%, 100% of test specimen inductive reactive power compensation equipment, the dynamic compensation characteristic of checking test specimen inductive reactive power compensation equipment.
Compensation condenser group is according to the certain proportion value of test specimen inductive reactive power compensation place capacity.The concrete grammar of value is more flexible, the capacitance compensation progression of wishing energy combination results is more, but consider the problem of system complexity and economy, often adopt binary scheme, the electric capacity of each capacitive branch respectively value be C, 2C, 4C ..., 2
k ?1c, wherein K props up way.For example k=3, totally three groups of capacitive branch, three groups of capacitor combinations can obtain 0, C, 2C, 3C, 4C, 5C, 6C, 7C totally 8 kinds of total capacitance values, 2
k=2
3=8 kinds, capacitance regulation and control amount differs 7 times.Another kind of scheme is that in k group, one group of electric capacity is C, and other each group is all 2C.For example k=3, three groups of capacitance group amount to and obtain 2k=6 kind total capacitance value: 0, C, 2C, 3C, 4C, 5C, capacitance regulation and control amount differs 5 times.This method regulation and control amount is less, and regulation and control are thrown when capacitance, to cut electric capacity simpler.
Claims (6)
1. a capacity test device for inductive reactive power compensation equipment, is characterized in that, comprises pressure regulator, pressure regulator output current voltage measurement unit, step-up transformer, compensation condenser group, test current measuring unit, trial voltage measuring unit;
Pressure regulator output current voltage measurement unit comprises the first reometer A
1, the first voltage table V
1;
Test current measuring unit comprises the second reometer A
2;
Trial voltage measuring unit comprises the first capacitor C
01, the second capacitor C
02with second voltage Table V
2;
The input end of pressure regulator connects AC power, its output terminal first reometer A that connects
1rear the first voltage table V in parallel
1, the input end of step-up transformer is connected in parallel on the first voltage table V
1two ends;
The output terminal parallel capacitor group of step-up transformer, the second reometer A
2with the two ends that are connected in parallel on compensation condenser group after inductive reactive power compensation devices in series; The first capacitor C
01with the second capacitor C
02after series connection, be connected in parallel on the two ends of inductive reactive power compensation equipment; Second voltage Table V
2be connected in parallel on the second capacitor C
02two ends.
2. the capacity test device of a kind of inductive reactive power compensation equipment according to claim 1, is characterized in that: the initial output voltage of described pressure regulator is since zero or minimum voltage.
3. the capacity test device of a kind of inductive reactive power compensation equipment according to claim 1, it is characterized in that: described compensation condenser group be can switching compensation condenser group, comprise multiple capacitive branch parallel with one another, each capacitive branch is composed in series by an electric capacity and a fling-cut switch.
4. the capacity test device of a kind of inductive reactive power compensation equipment according to claim 3, is characterized in that: described fling-cut switch adopts mechanical fling-cut switch or thyristor.
5. the capacity test device of a kind of inductive reactive power compensation equipment according to claim 3, it is characterized in that: the electric capacity obtaining value method of described multiple capacitive branch is: adopt binary scheme, the electric capacity of multiple capacitive branch respectively value be C, 2C, 4C ..., 2
k ?1c, wherein K props up way.
6. the capacity test device of a kind of inductive reactive power compensation equipment according to claim 3, it is characterized in that: the electric capacity obtaining value method of described multiple capacitive branch is: an each capacitive branch wherein branch road electric capacity value is C, other each branch road electric capacity values are all 2C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420322726.2U CN203929936U (en) | 2014-06-17 | 2014-06-17 | A kind of capacity test device of inductive reactive power compensation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420322726.2U CN203929936U (en) | 2014-06-17 | 2014-06-17 | A kind of capacity test device of inductive reactive power compensation equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203929936U true CN203929936U (en) | 2014-11-05 |
Family
ID=51825733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420322726.2U Expired - Fee Related CN203929936U (en) | 2014-06-17 | 2014-06-17 | A kind of capacity test device of inductive reactive power compensation equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203929936U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104678219A (en) * | 2015-02-10 | 2015-06-03 | 华南理工大学 | Capacitance compensation matching method based on high-current test system |
| CN104730389A (en) * | 2015-03-27 | 2015-06-24 | 国家电网公司 | Intensive direct current deicing device overall no-load voltage stepping-up test platform |
| CN105515013A (en) * | 2016-01-28 | 2016-04-20 | 南京交通职业技术学院 | Reactive compensation device achieving voltage regulation through combined transformers |
| CN105807172A (en) * | 2016-06-01 | 2016-07-27 | 国家电网公司 | Ultrahigh voltage substation simulated operation verifying system |
| CN108490286A (en) * | 2018-03-06 | 2018-09-04 | 沈阳变压器研究院股份有限公司 | The compensation method of asymmetrical current and device in heavy current test |
| CN109633323A (en) * | 2018-12-24 | 2019-04-16 | 杭州银湖电气设备有限公司 | A kind of REgulatable reactor load test system |
| CN110739708A (en) * | 2019-12-04 | 2020-01-31 | 国网青海省电力公司电力科学研究院 | compensation device for air load and temperature rise test system of +/-800 kV power transmission and transformation main equipment |
| CN112986751A (en) * | 2021-02-07 | 2021-06-18 | 国网陕西省电力公司电力科学研究院 | Test platform for function detection of arc suppression coil complete device and operation method thereof |
-
2014
- 2014-06-17 CN CN201420322726.2U patent/CN203929936U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104678219B (en) * | 2015-02-10 | 2017-10-20 | 华南理工大学 | A kind of method that capacitance compensation based on cranking test system coordinates |
| CN104678219A (en) * | 2015-02-10 | 2015-06-03 | 华南理工大学 | Capacitance compensation matching method based on high-current test system |
| CN104730389A (en) * | 2015-03-27 | 2015-06-24 | 国家电网公司 | Intensive direct current deicing device overall no-load voltage stepping-up test platform |
| CN104730389B (en) * | 2015-03-27 | 2016-06-15 | 国家电网公司 | The overall unloaded voltage stepping up test platform of a kind of intensive DC de-icing device |
| CN105515013B (en) * | 2016-01-28 | 2018-03-23 | 南京交通职业技术学院 | A kind of reactive power compensator of transformer combination pressure regulation |
| CN105515013A (en) * | 2016-01-28 | 2016-04-20 | 南京交通职业技术学院 | Reactive compensation device achieving voltage regulation through combined transformers |
| CN105807172A (en) * | 2016-06-01 | 2016-07-27 | 国家电网公司 | Ultrahigh voltage substation simulated operation verifying system |
| CN108490286A (en) * | 2018-03-06 | 2018-09-04 | 沈阳变压器研究院股份有限公司 | The compensation method of asymmetrical current and device in heavy current test |
| CN109633323A (en) * | 2018-12-24 | 2019-04-16 | 杭州银湖电气设备有限公司 | A kind of REgulatable reactor load test system |
| CN109633323B (en) * | 2018-12-24 | 2021-03-26 | 杭州银湖电气设备有限公司 | Adjustable reactor load test system |
| CN110739708A (en) * | 2019-12-04 | 2020-01-31 | 国网青海省电力公司电力科学研究院 | compensation device for air load and temperature rise test system of +/-800 kV power transmission and transformation main equipment |
| CN110739708B (en) * | 2019-12-04 | 2023-03-21 | 国网青海省电力公司电力科学研究院 | Compensation device for +/-800 kV power transmission and transformation main equipment air load and temperature rise test system |
| CN112986751A (en) * | 2021-02-07 | 2021-06-18 | 国网陕西省电力公司电力科学研究院 | Test platform for function detection of arc suppression coil complete device and operation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203929936U (en) | A kind of capacity test device of inductive reactive power compensation equipment | |
| CN106405402B (en) | Circuit breaker fracture dynamic voltage distribution measurement wiring loop and measurement method | |
| CN104579070B (en) | Contactless on-load automatic regulating distribution transformer and the method for carrying out automatic Regulation | |
| CN103472393B (en) | A kind of high-voltage ride through of wind power generating set test macro | |
| CN103884933B (en) | A kind of high-power transformer temperature-raising experimental method | |
| CN103558536A (en) | Circuit for testing overload tolerance capacity of series capacitor and working method of circuit | |
| CN105467308A (en) | Flexible DC power transmission engineering voltage source converter valve short circuit current test method | |
| CN106205306B (en) | A kind of 35kV capacitance type potential transformer Simulation Model of Ferroresonance | |
| CN105471389B (en) | A kind of the fault traversing detection system and method for photovoltaic plant/photovoltaic DC-to-AC converter | |
| CN203287500U (en) | Low voltage ride-through test platform based on parallelly-connected current transformers and voltage-dividing reactors | |
| CN204116477U (en) | A kind of high-voltage reactive load test platform | |
| CN204405813U (en) | Be applicable to load testing and the energy-recuperation system of the detection of DC energy storage medium charge-discharge characteristic | |
| CN203310941U (en) | Overvoltage test loop of power capacitor | |
| CN205193269U (en) | A voltage drop test appearance for smart electric meter | |
| CN106026116A (en) | Reactive compensation rapid smooth adjustment method | |
| CN201178312Y (en) | Low-voltage dynamic filtering compensating apparatus | |
| CN102904262B (en) | Transformer characteristic test comprehensive compensation system based on static var generator (SVG) | |
| CN204465480U (en) | The special control circuit of a kind of lightning current C component | |
| CN205139353U (en) | Automatic calibration equipment of AC potentiometer | |
| CN112103951B (en) | On-site power utilization system for simulating low-voltage transformer area based on multistage current control of current booster | |
| CN203502551U (en) | Circuit capable of testing overloading tolerance capability of capacitors connected in series | |
| CN208224331U (en) | A kind of wideband resonance potential generator | |
| CN211123018U (en) | Flexible alternating-current transmission multi-voltage level test system | |
| CN106353660A (en) | Series resonance device | |
| CN103558537B (en) | The circuit of test series capacitor tolerance capability of overload and method of work thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 Termination date: 20160617 |